{"id":"CVE-2021-42887","aliases":["EUVD-2021-29842","GHSA-fjcg-55pq-vx59"],"status":"published","title":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request...","description":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.44291,"percentile":0.98768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-06-03T11:40:42Z","modified":"2026-06-17T04:10:14Z","exploits":[{"source":"nuclei","id":"CVE-2021-42887","title":"TOTOLINK EX1200T 4.1.2cu.5215 - Authentication Bypass","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42887.yaml"}],"products":[{"vendor":"totolink","product":"ex1200t_firmware"}],"references":[{"url":"https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42887"},{"url":"https://github.com/advisories/GHSA-fjcg-55pq-vx59"}],"sources":{"cve":[{"id":"CVE-2021-42887","description":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.","status":"published","published":"2022-06-03T11:40:42Z","modified":"2024-08-04T03:47:11.756Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29842","description":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.","status":"published","published":"2022-06-03T11:40:42Z","modified":"2024-08-04T03:47:11Z","updated_at":"2026-11-03T03:24:15.299027Z"}],"ghsa":[{"id":"GHSA-fjcg-55pq-vx59","title":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request...","description":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.","status":"published","published":"2022-06-04T00:00:41Z","modified":"2023-01-27T05:03:29Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:42:15.225524Z"}],"nvd":[{"id":"CVE-2021-42887","description":"In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.","status":"published","published":"2022-06-03T12:15:07.933Z","modified":"2026-06-17T04:10:14.93Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}